The document discusses 10 different types of reading questions that may be asked on the TOEFL exam: 1) factual information questions, 2) negative factual questions, 3) inference questions, 4) rhetorical purpose questions, 5) vocabulary questions, 6) reference questions, 7) sentence simplification questions, 8) insert text questions, 9) prose summary questions, and 10) fill-in-table questions. Each type of question tests a different reading comprehension skill and examples are provided for each question type.